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Finding the Fourth Proportional to 62,665.92, 86,482.92 and 41,407.92

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Solution

The fourth proportional to 62,665.92, 86,482.92 and 41,407.92 is: 57,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,665.92 : 86,482.92 = 41,407.92 : x
  2. Step 2: Convert to fraction form
    62,665.92/86,482.92 = 41,407.92/x
  3. Step 3: Cross multiply
    62,665.92x = 86,482.92 × 41,407.92
  4. Step 4: Simplify right side
    62,665.92x = 3,581,077,832.73
  5. Step 5: Solve for x
    x = 3,581,077,832.73/62,665.92
  6. Step 6: Final answer
    x = 57,145.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.